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23453530144 = 2511163408769
BaseRepresentation
bin10101110101111100…
…000111100000100000
32020112111221202222121
4111311330013200200
5341013100431034
614435134314024
71460125500622
oct256574074040
966474852877
1023453530144
119a459a7370
124666658914
13229a0238b5
1411c6c28c12
159240491b4
hex575f07820

23453530144 has 48 divisors (see below), whose sum is σ = 50680939680. Its totient is φ = 10595266560.

The previous prime is 23453530129. The next prime is 23453530153. The reversal of 23453530144 is 44103535432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147009 + ... + 261760.

It is an arithmetic number, because the mean of its divisors is an integer number (1055852910).

Almost surely, 223453530144 is an apocalyptic number.

It is an amenable number.

23453530144 is an abundant number, since it is smaller than the sum of its proper divisors (27227409536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23453530144 is a wasteful number, since it uses less digits than its factorization.

23453530144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408953 (or 408945 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 23453530144 in words is "twenty-three billion, four hundred fifty-three million, five hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 163 176 326 352 652 1304 1793 2608 3586 5216 7172 14344 28688 57376 408769 817538 1635076 3270152 4496459 6540304 8992918 13080608 17985836 35971672 66629347 71943344 133258694 143886688 266517388 533034776 732922817 1066069552 1465845634 2132139104 2931691268 5863382536 11726765072 23453530144